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Salts and Solubility Activity1

Salts and Solubility Activity1. Learning Goals Students will be able to: Determine the chemical formula by observation of ionic ratios in solutions Relate the simulation scale to real lab equipment through illustration and calculations

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Salts and Solubility Activity1

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  1. Salts and Solubility Activity1 Learning Goals Students will be able to: Determine the chemical formula by observation of ionic ratios in solutions Relate the simulation scale to real lab equipment through illustration and calculations Predict the chemical formula of compounds with a variety of ion charge combinations Trish Loeblein July 2008 Questions 1-3 are a pretest. 4-8 are reflective

  2. Which is the formula for the compound made from M+1 and N-2 • MN2 • M2N • MN • M2N2

  3. 2. Which is the formula for the compound made from M+3 and N-1 • MN3 • M3N • MN • M3N3

  4. 3. Which is the formula for the compound made from M+3 and N-2 • MN • M3N2 • M2N3 • M6N6

  5. 4. I thought this lab was _________ USEFUL for learning about ionic formulas. • very • mostly • barely • not

  6. 5. I thought this lab was _________ ENJOYABLE for learning about ionic formulas. • very • mostly • barely • not

  7. Mg Cl 6. Which is the best drawing for Magnesium chloride in a water solution? A B C D E

  8. 7. How would the drawing change if Magnesium chloride were changed to Magnesium oxide? • The ratio of the ions would be the same • The ratio would change to 1 magnesium for every oxide • The ratio would change to 2 magnesium for every oxide • You would have to use different colors

  9. 8. Which drawing best represents how large ions should be drawn in a 5 ml test tube of water? A B C D

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